HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 621

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

13.3.4
The WOVF flag is set to 1 if TCNT overflows during watchdog timer operation. At the same time,
the WDTOVF signal goes low. If TCNT overflows while the RSTE bit in RSTCSR is set to 1, an
internal reset signal is generated for the entire chip. Figure 13.7 shows the timing in this case.
φ
TCNT
Overflow signal
(internal signal)
WOVF
WDTOVF signal
Internal reset
signal
Timing of Watchdog Timer Overflow Flag (WOVF) Setting
Figure 13.7 Timing of WOVF Setting
H'FF
Rev.4.00 Sep. 07, 2007 Page 591 of 1210
132 states
H'00
518 states
REJ09B0245-0400